Bicycle frame



FIG. 1 is a side perspective view of the bicycle frame of the present invention;

FIG. 2 is a front end view of the bicycle frane of the present invention;

FIG. 3 is a rear end view of the bicycle frame of the present invention;

FIG. 4 is a side elevational view of the bicycle frame of the present invention;

FIG. 5 is an opposite side view of the bicycle frame of the present invention;

FIG. 6 is a top view of the bicycle frame of the present invention; and,

FIG. 7 is a bottom view of the bicycle frame of the present invention. 

The ornamental design for a bicycle frame, as shown and described. 